Finding the Fourth Proportional to 10,979.85, 16,468.08 and 3,584.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,979.85 : 16,468.08 = 3,584.31 : x
2. Step 2: Convert to fraction form
   10,979.85/16,468.08 = 3,584.31/x
3. Step 3: Cross multiply
   10,979.85x = 16,468.08 × 3,584.31
4. Step 4: Simplify right side
   10,979.85x = 59,026,703.82
5. Step 5: Solve for x
   x = 59,026,703.82/10,979.85
6. Step 6: Final answer
   x = 5,375.91